Kouhoupt Engine: The Kouhoupt engine is a
model walking beam engine that appeared in a magazine designed by a
fellow named Rudy Kouhoupt. It's intended for the home modeler and
doesn't require any castings.

5 Pgs1.1 MB

L-Frame Oscillating Engine: The L-Frame
Oscillator is a modern, simple demonstrator design that should be easily
able to be put together by the home hobbyist.

2 Pgs209 kB

Model Boilers: A pretty good treatise on how to build model steam engine boilers for the home builder.

20 Pgs551 kB

Model Steam Turbine: This Model Steam Turbine is an interesting demonstrator and should be fun to watch, but it couldn't be used to do any work.

12 Pgs299 kB

Muncaster Steam Engines: This is a 1950s look
at some 1900s designs by H. Muncaster. There are detailed plans to
build 9 engines of different types and complexities in this series of
articles.

29 Pgs965 kB

Michael Niggel Boiler: A small steam engine boiler designed my Michael Niggel. The metric plans are in French but easy enough to follow.

29 Pgs965 kB

Michael Niggel Vertical: A vertical single cylinder engine. Very well detailed metric plans in French.

16 Pgs229 kB

Michael Niggel Twin: A vertical two cylinder engine. Very well detailed metric plans in French.

12 Pgs220 kB

Pirker 4-Cylinder Engine: An interesting modern 4 cylinder wobbler valve steam engine design. The description is in German and the plans in Metric.

17 Pgs505 kB

River Queen Engine: A nicely designed marine type model engine from the 1950s.